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Sophia Electric B+ delay board for El34 KT88 KT66 western 300B tube amplifier

Description: This Sophia Electric delay action board was designed for retrofitting into tube amps built without pre-heating the tube filament. Research shows pre-heating tubes will have 3-4x more life span than without it. Thus you buy this board will save you a lot of money otherwise spend on replacing expensive output tubes(300B/2A3/845/KT88/Kt66/El34/6L6) often. Any tube amplifier with solid state rectifier must use this delay action board to warm up filament first to avoid cold start by pre-heat filament before applying B+ to the tube plate. Must have!

Price: 42.49 USD

Location: Vienna, Virginia

End Time: 2024-03-02T00:24:19.000Z

Shipping Cost: 7.99 USD

Product Images

Sophia Electric B+ delay board for El34 KT88 KT66 western 300B tube amplifier

Item Specifics

All returns accepted: ReturnsNotAccepted

Model: Copper Foil Oil Capacitor

Type: delay action board

Brand: Sophia Electrica

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